US11083355B2 - Extraction connection system - Google Patents
Extraction connection system Download PDFInfo
- Publication number
- US11083355B2 US11083355B2 US15/730,978 US201715730978A US11083355B2 US 11083355 B2 US11083355 B2 US 11083355B2 US 201715730978 A US201715730978 A US 201715730978A US 11083355 B2 US11083355 B2 US 11083355B2
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- US
- United States
- Prior art keywords
- connection element
- end portion
- tool
- tool connection
- suction apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0095—Suction cleaners or attachments adapted to collect dust or waste from power tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0847—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of hooks
- F16L37/0848—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of hooks rocking freely
Definitions
- Extraction connection systems for portable machine tools which comprise a tool connection element and a suction apparatus connection element, which are provided to be connected to each other, are already known.
- the disclosure is based on an extraction connection system for portable machine tools, comprising at least one tool connection element and comprising at least one suction apparatus connection element, which are provided to be connected to each other, in particular one plugged into the other.
- the extraction connection system comprises at least one fixing unit, which comprises at least one movably mounted fixing element, for fixing the tool connection element and the suction apparatus connection element against a movement relative to each other in at least one direction.
- “Provided” should be understood in particular as meaning specially designed and/or specially equipped.
- the tool connection element in particular for connection to the suction apparatus connection element, has at least one configuration corresponding to the suction apparatus connection element, such as, for example, an internal size corresponding to an external size of the suction apparatus connection element or an external size corresponding to an internal size of the suction apparatus connection element.
- the tool connection element and the suction apparatus connection element are preferably connectable to each other by means of a plug-in connection.
- the extraction connection system is particularly preferably provided for connecting a portable machine tool to a dust extraction device, in particular a vacuum cleaner, for extracting abrasion dust arising during a machining of a work piece by means of the portable machine tool.
- a dust extraction device in particular a vacuum cleaner
- the term “tool connection element” is provided here to define in particular an element of the extraction connection system, which element, for extracting abrasion dust arising during a machining of a work piece by means of the portable machine tool, is arranged on the portable machine tool, in particular is formed integrally on a machine tool housing of the portable machine tool or is mounted movably on the machine tool housing.
- the tool connection element is preferably in the form of a tool-side connecting branch.
- “Integrally” is provided to be understood in particular as meaning at least integrally connected, for example by means of a welding process, an adhesive bonding process, a molding-on process and/or another process appearing expedient to a person skilled in the art, and/or is advantageously understood as meaning molded in one piece, such as, for example, by production from a casting and/or by production in a single-component or multi-component injection molding process, and advantageously from a single blank.
- the term “suction apparatus connection element” is provided here to define in particular an element which, for extraction of abrasion dust arising during a machining of a work piece by means of the portable machine tool, is arranged on the dust extraction device, in particular on a suction hose of the dust extraction device.
- the suction apparatus connection element is preferably in the form of a suction-apparatus-side connecting branch.
- fixing unit is provided here in particular to define a unit which, in at least one state, fixes two elements and/or units, which are formed separately from each other, relative to each other, in particular on each other, in at least one position along at least one direction by means of an interlocking and/or frictional connection.
- the fixing unit is particularly preferably in the form of an interlocking fixing unit.
- the expression “mounted movably” is provided to be understood here as meaning in particular a mounting of the fixing element on a further element, wherein the fixing element has a movement option relative to the further element along at least one axis along a distance of greater than 0.5 mm, preferably greater than 1 mm and particularly preferably greater than 2 mm, and/or a movement option, in particular relative to the further element, by an angle of greater than 10°, preferably greater than 20° and particularly preferably greater than 30° about at least one axis.
- the fixing element is preferably formed separately from the tool connection element and the suction apparatus connection element.
- the fixing element here is preferably in the form of a movably mounted latching element.
- the fixing element is in the form of a magnetic element which is mounted movably on the tool connection element and/or on the suction apparatus connection element and, after the tool connection element and the suction apparatus connection element are connected, is movable into a fixing position.
- the fixing element which is in the form of a magnetic element to be arranged in a positionally fixed manner on the tool connection element and/or on the suction apparatus connection element and for said fixing element to fix the tool connection element and the suction apparatus connection element relative to each other by means of a magnetic action of force.
- the tool connection element and the suction apparatus connection element are preferably fixed by means of the fixing unit against a movement along and counter to a connecting direction of movement of the tool connection element and the suction apparatus connection element.
- a “connecting direction of movement” is provided here to be understood as meaning in particular a direction of movement of the tool connection element and/or of the suction apparatus connection element, along which the tool connection element and/or the suction apparatus connection element are/is moved to form a connection.
- the fixing element is mounted movably on the suction apparatus connection element.
- the fixing element it is also conceivable for the fixing element to be mounted movably on the tool connection element.
- the configuration according to the disclosure makes it advantageously possible to realize a fixing element which can be operated easily and safely and is operable conveniently to form a connection and/or to separate the connection of the tool connection element and of the suction apparatus connection element.
- the fixing element is arranged in a receiving recess of the suction apparatus connection element.
- the receiving recess can be formed here as a groove or as a continuous material cutout.
- the fixing element reaches through the receiving recess in order to fix the tool connection element and the suction apparatus connection element in at least one state.
- a secure arrangement of the fixing element on the suction apparatus connection element can thus advantageously be achieved.
- the fixing element is of annular design.
- the fixing element here can be in the form of a closed circular ring or a circular ring segment.
- the annular fixing element is mounted movably on the suction apparatus connection element preferably in a receiving recess in the form of a groove, or in a receiving recess in the form of a continuous material cutout.
- a compact arrangement of the fixing element, in particular on the suction apparatus connection element, can advantageously be achieved.
- the fixing element has at least one articulation region.
- An “articulation region” is provided here to be understood as meaning in particular a region of the fixing element that has a lower flexural rigidity in comparison to further regions directly adjacent to the region and in particular is of flexurally soft design or is in the form of a joint.
- the articulation region is particularly preferably in the form of a film hinge region.
- the tool connection element comprises at least two connecting regions, which are different from each other, as viewed along a connecting direction of movement of the tool connection element and/or of the suction apparatus connection element.
- the connecting regions preferably have extents which differ from one another along a direction running at least substantially perpendicular to the connecting direction of movement. It can thus advantageously be ensured that a connection, in particular a frictional connection, of the tool connection element to already existing suction apparatus connection elements, in particular to rubber sleeves of already existing dust extraction devices, can be achieved. It is therefore advantageously possible to achieve compatibility of the tool connection element according to the disclosure with already existing dust extraction devices.
- the fixing unit comprises at least one spring element which acts upon an operating element of the fixing unit with a spring force.
- a “spring element” is provided to be understood as meaning in particular a macroscopic element which has at least two ends which are spaced apart from each other and, in a normal operating state, are elastically movable relative to each other along a movement distance, wherein the movement distance is at least greater than 0.5 mm, in particular greater than 1 mm, and is preferably greater than 2 mm and particularly advantageously is greater than 3 mm, and which element in particular produces a counterforce which is dependent on an elastic movement of the ends relative to each other, is preferably proportional to the elastic movement of the ends relative to each other and which opposes the variation.
- a “macroscopic element” is provided to be understood as meaning in particular an element with an extent of at least 1 mm, in particular of at least 5 mm and preferably of at least 10 mm.
- the spring element is preferably in the form of a helical compression spring.
- the spring element it is also conceivable for the spring element to have a different configuration appearing expedient to a person skilled in the art, for example a helical tension spring, a leg spring, a volute spring, a disk spring, etc.
- the fixing unit comprises at least one operating element which, in at least one state, enables a movement option of the fixing element into a release position.
- a fixing unit which is convenient to operate and which permits a structurally simple enabling of a movement option of the fixing element can advantageously be achieved.
- the fixing unit comprises at least the operating element which is of annular design.
- the operating element here is preferably in the form of an operating sleeve.
- the operating element it is also conceivable for the operating element to have a different configuration appearing expedient to a person skilled in the art, for example a configuration as a sliding element, as a press element, as a push button element, etc.
- the configuration according to the disclosure makes it advantageously possible for a plurality of fixing elements of the fixing unit to be actuated by one operating element. Furthermore, an operating element which can be comfortably grasped by an operator can be realized.
- the tool connection element has at least one fixing element decoupling surface which, at least in one state, moves the fixing element into a release position.
- the fixing element decoupling surface is particularly preferably in the form of an oblique surface which has an orientation inclined with respect to a longitudinal axis of the tool connection element.
- the tool connection element is preferably formed rotationally symmetrically with respect to the longitudinal axis of the tool connection element.
- the disclosure is based on a tool connection element of an extraction connection system according to the disclosure.
- Already existing portable machine tools can advantageously be retrofitted with a tool connection element according to the disclosure.
- a “portable machine tool” is provided to be understood here as meaning in particular a machine tool for machining work pieces, which machine tool can be transported by an operator without the use of a transportation machine.
- the portable machine tool has in particular a mass of less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg.
- the portable machine tool is particularly preferably in the form of a grinding machine.
- the portable machine tool it is also conceivable for the portable machine tool to have a different configuration appearing expedient to a person skilled in the art, for example a configuration as a circular saw, a planing machine, a jigsaw, a power drill, etc.
- the portable machine tool can advantageously be securely connected to a dust extraction device, as a result of which advantageous extraction of abrasion dust arising during a machining of a work piece by means of the portable machine tool can be made possible.
- the disclosure is based on a suction apparatus connection element of an extraction connection system according to the disclosure.
- Already existing dust extraction devices can advantageously be retrofitted with a suction apparatus connection element according to the disclosure.
- the disclosure is based on a machine tool machining system with a portable machine tool according to the disclosure and with a dust extraction device according to the disclosure.
- a machine tool machining system with a portable machine tool according to the disclosure and with a dust extraction device according to the disclosure.
- the extraction connection system according to the disclosure, the tool connection element according to the disclosure, the portable machine tool according to the disclosure, the suction apparatus connection element according to the disclosure, the dust extraction device according to the disclosure and/or the machine tool machining system according to the disclosure are/is not provided to be restricted here to the use and embodiment described above.
- the extraction connection system according to the disclosure, the tool connection element according to the disclosure, the portable machine tool according to the disclosure, the suction apparatus connection element according to the disclosure, the dust extraction device according to the disclosure and/or the machine tool machining system according to the disclosure may have a number of individual elements, components and units differing from the number stated herein.
- FIG. 1 is a schematic illustration of a machine tool machining system according to the disclosure with a portable machine tool according to the disclosure and with a dust extraction device according to the disclosure,
- FIG. 2 a is a schematic illustration, in a detail view, of a tool connection element according to the disclosure of an extraction connection system according to the disclosure
- FIG. 2 b is a schematic illustration, in a detail view, of an alternative configuration of latching recesses of the tool connection element according to the disclosure
- FIG. 3 is a schematic illustration, in a detail view, of a suction apparatus connection element according to the disclosure of an extraction connection system according to the disclosure,
- FIG. 4 is a schematic illustration, in a sectional view, of the tool connection element according to the disclosure and the suction apparatus connection element according to the disclosure in a state connected to each other,
- FIG. 5 is a schematic illustration, in a detail view, of a fixing element of a fixing unit of the extraction connection system according to the disclosure
- FIG. 6 a is a schematic illustration, in a detail view, of an alternative fixing element of the fixing unit of the extraction connection system according to the disclosure
- FIG. 6 b is a schematic illustration, in a detail view, of a further alternative fixing element of the fixing unit of the extraction connection system according to the disclosure
- FIG. 7 is a schematic illustration, in an exploded view, of an alternative extraction connection system according to the disclosure.
- FIG. 8 is a schematic illustration, in a sectional view, of the alternative extraction connection system according to the disclosure.
- FIG. 9 is a schematic illustration, in a further sectional view, of the alternative extraction connection system according to the disclosure.
- FIG. 10 is a schematic illustration, in a detail view, of a suction apparatus connection element according to the disclosure of the alternative extraction connection system according to the disclosure,
- FIG. 11 is a schematic illustration, in a detail view, of a further alternative extraction connection system according to the disclosure.
- FIG. 12 is a schematic illustration, in a detail view, of a further alternative extraction connection system according to the disclosure.
- FIG. 1 shows a machine tool machining system 48 a which comprises at least one portable machine tool 12 a and at least one dust extraction device 46 a .
- the portable machine tool 12 a is in the form of a grinding machine.
- the portable machine tool 12 a here comprises a machine tool housing 50 a which encloses a drive unit 52 a of the portable machine tool 12 a and a transmission unit 54 a of the portable machine tool 12 a .
- the drive unit 52 a and the transmission unit 54 a are provided for driving a machining tool 58 a , which is arranged on a tool holding fixture 56 a of the portable machine tool 12 a , in a rotating and/or oscillating manner.
- the machining tool 58 a is in the form of an abrasive disk. Furthermore, the portable machine tool 12 a comprises a tool connection element 14 a of an extraction connection system 10 a in the region of the tool holding fixture 56 a .
- the tool connection element 14 a is designed here as a connecting branch which is provided to be connected to a suction apparatus connection element 16 a of the extraction connection system 10 a , said suction apparatus connection element being formed in a manner corresponding to the connecting branch.
- the tool connection element 14 a here has a cylindrical configuration.
- the dust extraction device 46 a is in the form here of a transportable vacuum cleaner.
- the dust extraction device 46 a here comprises at least one housing 60 a which encloses a drive unit 62 a and a collecting container 64 a of the dust extraction device 46 a .
- the dust extraction device 46 a comprises at least one dust extraction hose 66 a .
- the dust extraction hose 66 a is connectable in terms of flow to the collecting container 64 a .
- the suction apparatus connection element 16 a of the extraction connection system 10 a is arranged on the dust extraction hose 66 a for connection of the dust extraction device 46 a to the portable machine tool 12 a .
- the suction apparatus connection element 16 a therefore forms a connection element corresponding to the tool connection element 14 a designed as a connecting branch.
- the tool connection element 14 a and the suction apparatus connection element 16 a together form a plug-in connection for connection of the portable machine tool 12 a and the dust extraction device 46 a to provide dust extraction of abrasion dust arising during a machining of a work piece by means of the portable machine tool 12 a .
- the extraction connection system 10 a for the portable machine tool 12 a therefore comprises at least the tool connection element 14 a and at least the suction apparatus connection element 16 a , which are provided to be connected to each other.
- the extraction connection system 10 a comprises at least one fixing unit 24 a , which comprises at least one movably mounted fixing element 18 a , for fixing the tool connection element 14 a and the suction apparatus connection element 16 a against a movement relative to each other in at least one direction ( FIGS. 2 a to 4 ).
- the fixing element 18 a is mounted movably on the suction apparatus connection element 16 a .
- the suction apparatus connection element 16 a comprises at least one receiving recess 26 a .
- the fixing element 18 a is therefore arranged in the receiving recess 26 a of the suction apparatus connection element 16 a .
- the receiving recess 26 a is in the form of a groove in which the fixing element 18 a is arranged.
- the receiving recess 26 a which is in the form of a groove extends here in a circular-ring-shaped manner along an outer circumference of the suction apparatus connection element 16 a .
- the fixing element 18 a is arranged between two web-shaped edge regions of the suction apparatus connection element 16 a , said edge regions bounding the receiving recess 26 a , as viewed along a longitudinal axis 110 a of the suction apparatus connection element 16 a .
- the longitudinal axis 110 a of the suction apparatus connection element 16 a runs coaxially with respect to a longitudinal axis 108 a of the tool connection element 14 a .
- the fixing element 18 a is of annular design.
- the fixing element 18 a here is in the form of a circular ring segment which extends along an angular range of less than 360°.
- the fixing element 18 a has at least one latching extension 68 a .
- the fixing element 18 a comprises two latching extensions 68 a , 70 a .
- the fixing element 18 a it is also conceivable for the fixing element 18 a to comprise a number of latching extensions 68 a , 70 a differing from two.
- the latching extensions 68 a , 70 a extend radially from the fixing element 18 a in a direction facing away from the fixing element 18 a .
- the latching extensions 68 a , 70 a are arranged on the fixing element 18 a in a manner offset relative to each other by 180°.
- the latching extensions 68 a , 70 a are thus arranged in a uniformly distributed manner on the fixing element 18 a ( FIG. 5 ).
- the latching extension 68 a , 70 a engage in latching recesses 72 a , 74 a of the tool connection element 14 a .
- the latching recesses 72 a , 74 a have a configuration here corresponding to the latching extensions 68 a , 70 a .
- the latching recesses 72 a , 74 a are arranged in a first connection region 38 a of the tool connection element 14 a .
- the latching recesses 72 a , 74 a are arranged here in the first connection region 38 a in a manner offset relative to each other by 180°.
- the latching recesses 72 a , 74 a are therefore arranged in a uniformly distributed manner in the first connecting region 38 a ( FIG. 2 a ).
- the latching recesses 72 a , 74 a have an oval configuration.
- the tool connection element 14 a has two connection regions 38 a , 40 a .
- the tool connection element 14 a comprises at least two connection regions 38 a , 40 a which differ from each other, as viewed along the connecting direction of movement 36 a of the tool connection element 14 a and/or of the suction apparatus connection element 16 a or along the longitudinal axis 108 a of the tool connection element 14 a . This ensures connection of the tool connection element 14 a to already existing connection elements of already existing dust extraction devices (not illustrated specifically here).
- the connecting regions 38 a , 40 a have inside diameters formed differently from each other ( FIG. 2 a ).
- the latching extensions 68 a , 70 a After the suction apparatus connection element 16 a is introduced into the tool connection element 14 a along the connecting direction of movement 36 a , the latching extensions 68 a , 70 a , as a consequence of a tensioning force caused in the fixing element 18 a by the elastic deformation of the fixing element 18 a , automatically move into the latching recesses 72 a , 74 a as soon as the latching extensions 68 a , 70 a are aligned with the latching recesses 72 a , 74 a . the tool connection element 14 a and the suction apparatus connection element 16 a are therefore fixed relative to each other along the connection direction of movement 36 a . Rotation of the tool connection element 14 a relative to the suction apparatus connection element 16 a is furthermore ensured here by the movable arrangement of the fixing element 18 a in the receiving recess 26 a.
- FIG. 2 b illustrates an alternative configuration of latching recesses 72 a ′′′ to the embodiment of the latching recesses 72 a , 74 a that is shown in FIG. 2 a , wherein only one of the alternative latching recesses 72 a ′′′ is shown in FIG. 2 b .
- triple apostrophes have been added to the reference numbers of the exemplary embodiment shown in FIG. 2 b .
- the latching recesses 72 a ′′′ are arranged on a tool connection element 14 a ′′′ analogously to the latching recesses 72 a , 74 a shown in FIG. 2 a .
- the alternative latching recesses 72 a ′′′ from FIG. 2 b therefore substantially differ in a geometrical shape from the latching recesses 72 a , 74 a from FIG. 2 a .
- the latching recesses 72 a ′′′ here in each case have a maximum longitudinal extent 112 a ′′′ that is larger than 6 mm, as viewed along a connecting direction of movement 36 a ′′′ of the tool connection element 14 a ′′′ or along a longitudinal axis 108 a ′′′ of the tool connection element 14 a ′′′.
- the latching recesses 72 a ′′′ preferably each have a maximum longitudinal extent 112 a ′′′ that is greater than 9 mm, as viewed along the connecting direction of movement 36 a ′′′ of the tool connection element 14 a ′′′ or along the longitudinal axis 108 a ′′′ of the tool connection element 14 a ′′′.
- An adaptation of the latching recesses 72 a ′′′ to a finger shape of an operator can therefore be achieved.
- the latching recesses 72 a ′′′ have a ratio of the maximum longitudinal extent 112 a ′′′ running along the connecting direction of movement 36 a ′′′ and a maximum width extent 114 a ′′′ running along an at least substantially perpendicularly to the connecting direction of movement 36 a ′′′ of 1:1 to 1:2.
- the latching recesses 72 a ′′′ are bounded by in each case four side wall regions 116 a ′′′, 118 a ′′′, 120 a ′′′, 122 a ′′′, bounding the latching recesses 72 a ′′′, of the tool connection element 14 a ′′′.
- a first side wall region 116 a ′′′ here runs in an arcuate manner, as viewed along a direction running at least substantially transversely with respect to the connecting direction of movement 36 a ′′′.
- the arcuate first side wall region 116 a ′′′ has a profile corresponding to an edge region of a latching extension 68 a , 70 a shown in FIG. 3 .
- Two further side wall regions 118 a ′′′, 120 a ′′′ which are directly adjacent to the first side wall region 116 a ′′′, which runs in an arcuate manner, run at an angle to each other and at an angle to the connecting direction of movement 36 a ′′′, as viewed along the connecting direction of movement 36 a ′′′.
- the further side wall regions 118 a ′′′, 120 a ′′′ are directly adjacent here to the arcuate first side wall region 116 a ′′′ at two averted ends of the arcuate first side wall region 116 a ′′′.
- a side wall region 122 a ′′′ connecting the two further side wall regions 118 a ′′′, 120 a ′′′, which run at an angle to each other, runs at least substantially perpendicularly to the connecting direction of movement 36 a ′′′.
- the latching recesses 72 a ′′′ are therefore in each case bounded by a total of four side wall regions 116 a ′′′, 118 a ′′′, 120 a ′′′, 122 a ′′′ of the tool connection element 14 a ′′′, which side wall regions form, along a circumferential direction, a profile which is closed per se and bounds the respective latching recess 72 a ′′′.
- the latching recesses 72 a ′′′ can be arranged here on the tool connection element 14 a ′′′ in a depression in an outer wall of the tool connection element 14 a ′′′ in a manner set back relative to the outer wall in the direction of an inner wall of the tool connection element 14 a ′′′ and can end with the inner wall of the tool connection element 14 a ′′′, or the latching recesses 72 a ′′′ extend flush from the outer wall in the direction of the inner wall until the latching recesses 72 a ′′′ end flush with the inner wall, as is illustrated in the case of the latching recesses 72 a , 74 in FIG. 2 a.
- FIGS. 6 to 13 illustrate further alternative exemplary embodiments. Components, features and functions remaining substantially the same are basically numbered by the same reference numbers. In order to differentiate the exemplary embodiments, the letters a to d are added to the reference numbers of the exemplary embodiments. The description below is essentially restricted to the differences with respect to the first exemplary embodiment described in FIGS. 1 to 5 , wherein reference can be made with regard to components, features and functions which remain the same to the description of the first exemplary embodiment in FIGS. 1 to 5 .
- FIG. 6 a shows a fixing element 18 a ′, formed in an alternative manner to the fixing element 18 a , of an alternative fixing unit 24 a ′.
- the fixing element 18 a ′ is arrangeable here on the suction apparatus connection element 16 a at least substantially analogously to the fixing element 18 a from FIGS. 1 to 5 . Therefore, only the differences of the fixing element 18 a ′ with respect to the fixing element 18 a from FIGS. 1 to 5 are described in more detail here.
- the fixing element 18 a ′ In a mounted state, the fixing element 18 a ′ has a circular-ring-shaped configuration. The fixing element 18 a ′ therefore extends along an angular range of 360° in a mounted state.
- the fixing element 18 a ′ comprises at least one articulation region 32 a ′.
- the articulation region 32 a ′ is arranged between latching extensions 68 a ′, 70 a ′, as viewed along a circumferential direction of the fixing element 18 a ′.
- the fixing element 18 a ′ has two articulation regions 32 a ′, 34 a ′.
- the articulation regions 32 a ′, 34 a ′ are in the form of film hinge regions.
- the articulation regions 32 a ′, 34 a ′ here are in each case arranged between the latching extensions 68 a ′, 70 a ′, as viewed along the circumferential direction of the fixing element 18 a ′.
- An articulation region 32 a ′, 34 a ′ therefore in each case follows one of the latching extensions 68 a ′, 70 a ′ along the circumferential direction of the fixing element 18 a′.
- the fixing element 18 a ′ comprises two further articulation regions 76 a ′, 78 a ′.
- the further articulation regions 76 a ′, 78 a ′ are in the form of a film hinge region.
- the further articulation regions 76 a ′, 78 a ′ are arranged here on the latching extensions 68 a ′, 70 a ′.
- a flexurally rigid region and a flexurally soft region are therefore arranged directly following each other in an alternating manner along the circumferential direction of the fixing element 18 a ′, along an entire circumference of the fixing element 18 a ′.
- actuation of one of the latching extensions 68 a ′, 70 a ′ causes the other of the latching extensions 68 a ′, 70 a ′ to move at the same time. Only one of the latching extensions 68 a ′, 70 a ′ therefore has to be actuated to form a connection or to release the connection between the tool connection element 14 a and the suction apparatus connection element 16 a.
- the fixing element 18 a ′ has a mounting region 80 a ′.
- the mounting region 80 a ′ comprises two mounting limbs 82 a ′, 84 a ′ which are formed separately from each other and are fastenable to each other by means of a fastening element 86 a ′ of the fixing unit 24 a ′.
- the fastening element 86 a ′ is in the form of a fastening pin which is integrally formed on one of the mounting limbs 82 a ′, 84 a ′.
- the fastening element 86 a ′ is provided for connecting the mounting limbs 82 a ′, 84 a ′ to each other along an axial direction about which the circumferential direction runs.
- the fastening element 86 a ′ together with the mounting limb 82 a ′, on which the fastening element 86 a ′ is integrally formed, is moved here along the axial direction until the fastening element 86 a ′ is arranged in a recess of the mounting limb 84 a ′, which is formed in a manner decoupled from the fastening element 86 a ′, and the mounting limbs 82 a ′, 84 a ′ are fastened to each other.
- fastening element 86 a ′ it is also conceivable for the fastening element 86 a ′ to have a different configuration appearing expedient to a person skilled in the art, for example a configuration in the form of a fastening latching element, as a fastening clamp element, etc.
- FIG. 6 b shows an alternative fastening element 86 a ′′, to the fastening element 86 a ′ from FIG. 6 a , of a fixing element 18 a ′′ of an alternative fixing unit 24 a ′′.
- the fixing element 18 a ′′ is formed here at least substantially analogously to the fixing element 18 a ′ from FIG. 6 a . Only the differences between the fastening element 86 a ′ from FIG. 6 a and the alternative fastening element 86 a ′′ are therefore described in more detail here.
- the fastening element 86 a ′′ is in the form of a radial interlocking extension which is integrally formed on a mounting limb 82 a ′′, 84 a ′′ of the fixing element 18 ′′.
- the fastening element 86 a ′′ is provided for connecting the mounting limbs 82 a ′′, 84 a ′′ to each other along a radial direction running at least substantially perpendicularly to a circumferential direction of the fixing element 18 a ′′.
- the radial direction runs substantially perpendicularly to an axial direction about which the circumferential direction runs.
- the fastening element 86 a ′′ For connection of the mounting limbs 82 a ′′, 84 a ′′, the fastening element 86 a ′′ together with the mounting limb 82 a ′′, on which the fastening element 86 a ′′ is integrally formed, is moved along the radial direction until the fastening element 86 a ′′ is arranged in a recess of the mounting limb 84 a ′′, which is formed in a manner decoupled from the fastening element 86 a ′′, and the mounting limbs 82 a ′′, 84 a ′′ are fastened to each other.
- FIG. 7 shows an alternative extraction connection system 10 b .
- the extraction connection system 10 b is arrangeable on the portable machine tool 12 a described in FIGS. 1 to 5 and on the dust extraction device 46 a described in FIGS. 1 to 5 .
- the extraction connection system 10 b for portable machine tools (not illustrated specifically here) comprises at least one tool connection element 14 b and at least one suction apparatus connection element 16 b , which are provided for connecting to each other.
- the extraction connection system 10 b comprises at least one fixing unit 24 b , which comprises at least one movably mounted fixing element 18 b , 20 b , 22 b , for fixing the tool connection element 14 b and the suction apparatus connection element 16 b against a movement relative to each other in at least one direction.
- the fixing unit 24 b comprises three movably mounted fixing elements 18 b , 20 b , 22 b .
- the fixing unit 24 b it is also conceivable for the fixing unit 24 b to comprise a number of fixing elements 18 b , 20 b , 22 b differing from three.
- the fixing elements 18 b , 20 b , 22 b are mounted movably on the suction apparatus connection element 16 b .
- the fixing elements 18 b , 20 b , 22 b are in each case arranged here in a receiving recess 26 b , 28 b , 30 b of the suction apparatus connection element 16 b ( FIGS. 7 and 10 ).
- the fixing elements 18 b , 20 b , 22 b at least partially reach through the receiving recess 26 b , 28 b , 30 b in a fixed state of the tool connection element 14 b and the suction apparatus connection element 16 b .
- the fixing elements 18 b , 20 b , 22 b are in the form of latching hooks.
- the fixing elements 18 b , 20 b , 22 b latch here in a latching recess 72 b of the tool connection element 14 b ( FIG. 8 ).
- the latching recess 72 b of the tool connection element 14 b is in the form of an annular groove.
- the fixing elements 18 b , 20 b , 22 b therefore engage behind a web-shaped edge region of the tool connection element 14 b , which edge region bounds the latching recess 72 b , which is in the form of a groove.
- the latching recess 72 b it is also conceivable for the latching recess 72 b to have a different configuration appearing expedient to a person skilled in the art.
- the tool connection element 14 b comprises at least two connecting regions 38 b , 40 b which are different from each other, as viewed along a connecting direction of movement 36 b of the tool connection element 14 b and/or of the suction apparatus connection element 16 b .
- the latching recess 72 b of the tool connection element 14 b is arranged on an outer circumference of one of the connecting regions 38 b , 40 b.
- the fixing unit 24 b comprises at least one spring element 42 b which acts upon an operating element 44 b of the fixing unit 24 b with a spring force.
- the spring element 42 b is in the form of a helical compression spring.
- the spring element 42 b is supported at one end of the suction apparatus connection element 16 b and the spring element 42 b is supported on the operating element 44 b at another end.
- the operating element 44 b is of annular design.
- the operating element 44 b here is in the form of an operating sleeve.
- the operating element 44 b thus extends along a circumferential direction of the suction apparatus connection element 16 b along an angular region of 360° about the suction apparatus connection element 16 b .
- the suction apparatus connection element 16 b has a web-shaped stop region 88 b .
- the operating element 44 b has a stop extension 90 b which, in at least one state, interacts with the stop region 88 b in order to limit a movement of the operating element 44 b in at least one direction ( FIG. 8 ).
- the suction apparatus connection element 16 b furthermore has a further stop region 92 b which is provided for interacting with the operating element 44 b in order to limit a movement of the operating element 44 b when the operating element 44 b moves counter to a spring force of the spring element 42 b .
- the further stop region 92 b is of web-shape design and is arranged on the suction apparatus connection element 16 b in a manner offset parallel to the stop region 88 b.
- the fixing unit 24 b comprises at least the operating element 44 b which, in at least one state, enables a movement option of the fixing elements 18 b , 20 b , 22 b into a release position.
- the operating element 44 b is moved counter to a spring force of the spring element 42 b until the operating element 44 b strikes against the further stop region 92 b .
- a clearance is thereby opened up between the operating element 44 b and the fixing elements 18 b , 20 b , 22 b .
- the tool connection element 14 b has at least one fixing element decoupling surface 94 b which, at least in one state, moves the fixing elements 18 b , 20 b , 22 b into a release position ( FIG. 8 ).
- the fixing element decoupling surface 94 b is in the form of an oblique surface which is integrally formed on an edge region bounding the latching recess 72 b .
- the fixing elements 18 b , 20 b , 22 b are moved into a release position by means of interaction of oblique surfaces of the fixing elements 18 b , 20 b , 22 b , the oblique surfaces corresponding to the fixing element decoupling surface 94 b.
- the suction apparatus connection element 16 b comprises a coupling region 96 b for coupling an adapter element 98 b of the extraction connection system 10 b ( FIG. 9 ).
- the adapter element 98 b is provided in order to permit coupling of the suction apparatus connection element 16 b to dust extraction hoses of a dust extraction device (not illustrated specifically here).
- Adapter elements 98 b which differ in design and permit coupling of the suction apparatus connection element 16 b to various dust extraction hoses (not illustrated specifically here) can be arranged here on the coupling region 96 b .
- the suction apparatus connection element 16 b it is also conceivable for the suction apparatus connection element 16 b to be arranged on a dust extraction hose in a manner decoupled from the adapter element 98 b .
- the coupling region 96 b is in the form in this case of an interlocking and/or frictional coupling region.
- FIG. 11 shows a further alternative extraction connection system 10 c .
- the extraction connection system 10 c is arrangeable on the portable machine tool 12 a described in FIGS. 1 to 5 and on the dust extraction device 46 a described in FIGS. 1 to 5 as an alternative to the extraction connection system 10 a described in FIGS. 1 to 5 .
- the extraction connection system 10 c for portable machine tools (not illustrated specifically here) comprises at least one tool connection element 14 c and at least one suction apparatus connection element 16 c , which are provided in order to be connected to each other.
- the extraction connection system 10 c comprises at least one fixing unit 24 c , which comprises at least one movably mounted fixing element 18 c , for fixing the tool connection element 14 c and the suction apparatus connection element 16 c against a movement relative to each other in at least one direction.
- the fixing element 18 c is mounted movably on the suction apparatus connection element 16 c .
- the fixing element 18 c here is in the form of a latching lever.
- the tool connection element 14 c has an interlocking connecting region 100 c .
- the interlocking connecting region 100 c of the tool connection element 14 c is arranged on an outer circumference of the tool connection element 14 c .
- the interlocking connecting region 100 c of the tool connection element 14 c here is in the form of a splined shaft connecting region.
- the suction apparatus connection element 16 c comprises an interlocking connecting region 102 c corresponding to the interlocking connecting region 100 c of the tool connection element 14 c.
- the interlocking connecting region 102 c of the suction apparatus connection element 16 c is therefore in the form of a splined shaft connecting region.
- the interlocking connecting region 102 c of the suction apparatus connection element 16 c is arranged here on an inner circumference of the suction apparatus connection element 16 c .
- the interlocking connecting region 100 c of the tool connection element 14 c and for the interlocking connecting region 102 c of the suction apparatus connection element 16 c to have a different configuration appearing expedient to a person skilled in the art, for example a configuration in the form of an adjustment spring connecting region, etc.
- the tool connection element 14 c and the suction apparatus connection element 16 c could be designed as ball and socket joint elements which are insertable one into the other and could be fixed on each other by means of a fixing element 18 c mounted in the form of a tightening strap on the suction apparatus connection element 16 c in a movable manner. It is conceivable here for the tightening strap to be tightened merely to an extent such that a movement of the tool connection element 14 c and of the suction apparatus connection element 16 c is possible in a connected state, but release of a connection between the tool connection element 14 c and the suction apparatus connection element 16 c is prevented.
- FIG. 12 shows a further alternative extraction connection system 10 d .
- the extraction connection system 10 d is arrangeable on the portable machine tool 12 a described in FIGS. 1 to 5 and on the dust extraction device 46 a described in FIGS. 1 to 5 as an alternative to the extraction connection system 10 a described in FIGS. 1 to 5 .
- the extraction connection system 10 d for portable machine tools (not illustrated specifically here) comprises at least one tool connection element 14 d and at least one suction apparatus connection element 16 d , which are provided in order to be connected to each other.
- the extraction connection system 10 d comprises at least one fixing unit 24 d , which comprises at least one movably mounted fixing element 18 d , for fitting the tool connection element 14 d and the suction apparatus connection element 16 d against a movement relative to each other in at least one direction.
- the fixing element 18 d is mounted movably on the suction apparatus connection element 16 d .
- the fixing element 18 d here is in the form of a tightening strap.
- the suction apparatus connection element 16 d is formed from an elastic plastic which is pushable onto the tool connection element 14 d or is pullable over the tool connection element 14 d . Furthermore, the suction apparatus connection element 16 d comprises, on an inner circumference, a toothing 104 d running along a longitudinal axis of the suction apparatus connection element 16 d .
- the tool connection element 14 d comprises, on an outer circumference of the tool connection element 14 d , a toothing 106 d which corresponds to the toothing 104 d of the suction apparatus connection element 16 d and runs along a longitudinal axis of the tool connection element 14 d .
- the fixing element 18 d which is in the form of a tightening strap, is tightened in order to fix the tool connection element 14 d and the suction apparatus connection element 16 d.
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/730,978 US11083355B2 (en) | 2012-09-20 | 2017-10-12 | Extraction connection system |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012216884.2A DE102012216884A1 (en) | 2012-09-20 | 2012-09-20 | Absauganschlusssystem |
DE102012216884.2 | 2012-09-20 | ||
US14/428,766 US20150245753A1 (en) | 2012-09-20 | 2013-09-04 | Extraction Connection System |
PCT/EP2013/068215 WO2014044525A2 (en) | 2012-09-20 | 2013-09-04 | Extraction connection system |
US15/730,978 US11083355B2 (en) | 2012-09-20 | 2017-10-12 | Extraction connection system |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/428,766 Division US20150245753A1 (en) | 2012-09-20 | 2013-09-04 | Extraction Connection System |
PCT/EP2013/068215 Division WO2014044525A2 (en) | 2012-09-20 | 2013-09-04 | Extraction connection system |
Publications (2)
Publication Number | Publication Date |
---|---|
US20180028032A1 US20180028032A1 (en) | 2018-02-01 |
US11083355B2 true US11083355B2 (en) | 2021-08-10 |
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US14/428,766 Abandoned US20150245753A1 (en) | 2012-09-20 | 2013-09-04 | Extraction Connection System |
US15/730,978 Active 2034-07-15 US11083355B2 (en) | 2012-09-20 | 2017-10-12 | Extraction connection system |
Family Applications Before (1)
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US14/428,766 Abandoned US20150245753A1 (en) | 2012-09-20 | 2013-09-04 | Extraction Connection System |
Country Status (5)
Country | Link |
---|---|
US (2) | US20150245753A1 (en) |
EP (1) | EP2897515B1 (en) |
CN (1) | CN104640490B (en) |
DE (1) | DE102012216884A1 (en) |
WO (1) | WO2014044525A2 (en) |
Cited By (1)
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---|---|---|---|---|
USD1020145S1 (en) * | 2021-05-26 | 2024-03-26 | Makita Corporation | Vacuum cleaner body |
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WO2015061370A1 (en) | 2013-10-21 | 2015-04-30 | Milwaukee Electric Tool Corporation | Adapter for power tool devices |
US10426308B2 (en) | 2014-11-04 | 2019-10-01 | Emerson Electric Co. | Apparatus, method, and systems for securing an accessory to a vacuum appliance |
US20160120383A1 (en) * | 2014-11-04 | 2016-05-05 | Emerson Electric Co. | Apparatus, method, and systems for securing an accessory to a vacuum appliance |
EP3367867B1 (en) * | 2015-10-27 | 2021-09-08 | Alfred Kärcher SE & Co. KG | Connection device for connecting suction lines and vacuum cleaner |
US10548443B2 (en) * | 2016-08-10 | 2020-02-04 | Robert Bosch Tool Corporation | Method and apparatus for cleaning a dust storage container |
DE102017005272A1 (en) * | 2017-06-01 | 2018-12-06 | Tobias Vogler | Adapter device for vacuum cleaner nozzles |
DE102017218852A1 (en) | 2017-10-23 | 2019-04-25 | Robert Bosch Gmbh | Absauganschlussadapter |
EP3545808A1 (en) * | 2018-03-26 | 2019-10-02 | HILTI Aktiengesellschaft | Hose coupling system for a vacuum cleaner |
EP3883727A4 (en) | 2018-11-19 | 2023-03-15 | Milwaukee Electric Tool Corporation | Dust collector including filter cleaning mechanism |
CN219665906U (en) | 2020-03-25 | 2023-09-12 | 米沃奇电动工具公司 | Dust collector for use with a hand-held power tool |
EP3922157B1 (en) * | 2020-06-08 | 2022-07-13 | Guido Valentini | Pneumatic tube or hose for releasable airtight connection to a pneumatic port and respective pneumatic port |
IT202000031841A1 (en) * | 2020-12-22 | 2022-06-22 | Starvac Scs Onlus | STOP ASSEMBLY OF A FLEXIBLE HOSE AND AIR INTAKE SYSTEM INCLUDING THIS STOP ASSEMBLY |
DE102021215111A1 (en) | 2021-12-30 | 2023-07-06 | Robert Bosch Gesellschaft mit beschränkter Haftung | Jigsaw with support element |
DE102021215109A1 (en) | 2021-12-30 | 2023-07-06 | Robert Bosch Gesellschaft mit beschränkter Haftung | Jigsaw with fastening element for suction nozzle |
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Also Published As
Publication number | Publication date |
---|---|
DE102012216884A1 (en) | 2014-03-20 |
US20180028032A1 (en) | 2018-02-01 |
US20150245753A1 (en) | 2015-09-03 |
CN104640490B (en) | 2017-08-25 |
CN104640490A (en) | 2015-05-20 |
WO2014044525A2 (en) | 2014-03-27 |
EP2897515B1 (en) | 2020-11-11 |
WO2014044525A3 (en) | 2014-05-15 |
EP2897515A2 (en) | 2015-07-29 |
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